News
- Health & Medicine
Immune cells chow down on living brain
Microglia prune developing rat and monkey brains by eating neural stem cells.
By Meghan Rosen - Life
Camel ancestors lived in the Arctic
Fossils on Ellesmere Island suggest famous desert dweller got its start in cold regions.
By Erin Wayman - Health & Medicine
Baby may be cured of HIV
Only viral traces remain after prompt treatment of newborn, suggesting no working virus is left in the girl’s body.
By Nathan Seppa - Health & Medicine
News in Brief: HIV may increase heart attack risk
A large study of veterans shows connection between HIV and heart attack in men.
By Nathan Seppa - Animals
Native pollinators boost crop yields worldwide
Farms with crops from coffee to mangoes don’t get the best yields if they rely solely on honeybees.
By Susan Milius - Life
Sperm swim against the current
Human and mouse sperm both follow upstream currents to the egg.
By Meghan Rosen - Life
Impact craters may have been a toasty home for early life
The heat generated during a cosmic crash could have nurtured ancient organisms.
By Erin Wayman - Space
Radiation ring around Earth mysteriously appears, then dissipates
Space probes detect temporary transition from two radiation belts to three, possibly in response to solar activity.
- Psychology
Video games take aim at dyslexia
Playing action video games gives a literacy boost to dyslexic children who read poorly, a disputed study suggests.
By Bruce Bower - Tech
Rats do tasks while connected brain-to-brain
Signals transmitted from one animal to another seem to share information, but usefulness of findings questioned.
- Neuroscience
Tadpoles with eyes in their tails see the light
Transplanted eyes in the creature’s tail can distinguish between red and blue.
- Life
Scientists race to understand deadly new virus
Emerging virus causes severe illness, but doesn’t spread as quickly as SARS.